# Portal requirements Regex Tools is a static nested-path-safe application. Required delivery behavior: - JavaScript workers use a JavaScript MIME type. - `toolbox-app.json`, HTML and legal/source documents should remain revalidation/no-cache resources. - Hashed Vite assets may use immutable long-term caching. - CSP must allow `worker-src 'self' blob:`. - `engines/pcre2/pcre2.wasm` must use `application/wasm`. - `script-src` must permit self-hosted WebAssembly compilation, normally with `'wasm-unsafe-eval'`; broad `'unsafe-eval'` is neither needed nor recommended. - `engines/pcre2/pcre2.mjs`, metadata, checksums, licence and WASM should use revalidation or a release-scoped immutable cache. They are not content-hashed filenames and must never drift under one release identity. The Portal must consume the immutable release ZIP, verify its SHA-256, verify manifest ID `de.add-ideas.regex-tools` and version `0.2.0`, and mount it at a relative target such as `apps/regex/`. The package, manifest, tag, artifact URL and checksum must all use the v0.2.0 identity. The historical v0.1.0 artifact coordinates remain immutable and must not be overwritten or reused.